private void ReadData(byte[] buffer, AudioCaptureClient captureClient, uint frameSize)
{
int nextPacketSize = captureClient.GetNextPacketSize();
int read = 0;
int offset = 0;
while (nextPacketSize != 0)
{
int framesAvailable;
AudioClientBufferFlags flags;
IntPtr nativeBuffer = captureClient.GetBuffer(out framesAvailable, out flags);
int bytesAvailable = (int)(framesAvailable * frameSize);
int bytesToCopy = Math.Min(bytesAvailable, buffer.Length);
if (Math.Max(buffer.Length - read, 0) < bytesAvailable && read > 0)
{
RaiseDataAvailable(buffer, 0, read);
read = offset = 0;
}
if ((flags & AudioClientBufferFlags.Silent) == AudioClientBufferFlags.Silent)
{
Array.Clear(buffer, offset, bytesToCopy);
}
else
{
Marshal.Copy(nativeBuffer, buffer, offset, bytesToCopy);
}
read += bytesToCopy;
offset += bytesToCopy;
captureClient.ReleaseBuffer(framesAvailable);
nextPacketSize = captureClient.GetNextPacketSize();
}
RaiseDataAvailable(buffer, 0, read);
}